996
ASUS43 KLOT 180901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT SUN OCT 18 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-181000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 42 33 70 S6 30.40R TC 6
STERLING* CLEAR 43 34 70 CALM 30.42S TC 6
SAVANNA* CLEAR 40 33 78 S7 30.40R TC 4
ILZ003-004-008-010-011-017-018-181000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 40 34 79 S6 30.42R TC 4
FREEPORT* CLEAR 42 35 76 S9 30.41R TC 6
DE KALB* CLEAR 38 35 90 S8 30.42S WCI 32 TC 3
ILZ005-006-012>014-019>023-181000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 45 34 65 S7 30.41S TC 7
CHICAGO-MIDWAY CLEAR 43 31 62 SW7 30.43S TC 6
AURORA CLEAR 38 35 89 CALM 30.43R TC 3
JOLIET* CLEAR 38 38 100 CALM 30.45S TC 3
WAUKEGAN CLEAR 40 36 86 SW8 30.39S TC 4
DUPAGE AIRPORT CLEAR 41 35 79 S6 30.42S TC 5
WHEELING PTCLDY 44 35 70 SW6 30.43S TC 7
NORTHERLY ISL* N/A 45 29 53 S7 N/A TC 7
LMZ740>746-181000-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
WINTHROP HARBOR 48 57 1024.1R
WAUKEGAN HARBOR 48 56 220/ 16/ 17 1027.5S 2/ 3
WILMETTE BUOY 51 170/ 17/ 23 1029.5R 2/ 4
CHICAGO BUOY 51 58 220/ 17/ 23 1028.9F 1/ 3
HARRISON CRIB 50 210/ 17/ 19 N/A
NORTHERLY ISL 46 200/ 8/ 9 N/A
CALUMET HARBOR 45 200/ 8/ 11 1030.5
MICHIGAN CITY 45 170/ 11/ 14 1030.7F
MICH CITY BUOY 49 60 190/ 14/ 17 N/A 2/ 3
ST. JOSEPH BUOY 51 59 190/ 16/ 19 1031.3S 3/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-181000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 44 34 67 S7 30.42S TC 7
MACOMB* CLEAR 39 36 89 S8 30.45S WCI 34 TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-181000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON CLEAR 38 33 82 S9 30.47R WCI 31 TC 3
DECATUR CLEAR 37 32 82 CALM 30.48S TC 3
PEORIA CLEAR 40 35 83 S3 30.44S TC 4
SPRINGFIELD CLEAR 40 33 76 S5 30.46S TC 4
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 37 29 72 S6 30.48S WCI 32 TC 3
MATTOON CLEAR 38 32 79 S5 30.48S WCI 34 TC 3
ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CAHOKIA* CLEAR 39 38 96 CALM 30.47R TC 4
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE FOG 36 36 100 CALM 30.48S VSB 1 TC 2
EFFINGHAM* CLEAR 36 34 94 CALM 30.51R TC 2
MT. VERNON CLEAR 34 33 96 CALM 30.49S TC 1
SALEM* N/A 40 38 94 MISG 30.48S TC 4
ILZ067-068-072-073-078-083-087-091-181000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE N/A N/A N/A N/A MISG 30.50S
FAIRFIELD* CLEAR 41 34 77 CALM 30.49S TC 5
HARRISBURG* CLEAR 36 36 100 CALM 30.50R TC 2
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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